How to Frame a Cupola

Framing Instructions

• 1

  Cut the 2-by-6s into sections of 30 inches. Set the table saw blade at 45 degrees and position the fence at 4 1/4 inches from the blade to create eight beveled sill and soffit pieces. Miter the ends of the sections at 45 degrees.

• 2

  Form the louver frames by inserting an index stick between the 2-by-2 and the miter gauge on the table saw, which should be set at a 45-degree angle. Select a dado blade that is the thickness of the louver slats, and cut the succeeding slots at a predetermined distance. Cut opposing slots.

• 3

  Form louvers from 3/4-by-4-inch cedar posts. Set the miter gauge on the table saw at a 45-degree angle. The length and width of the louver ends should match the size of the slots in the corner posts. Glue and nail the louvers to the posts.

• 4

  Construct the sill and soffits by gluing and nailing the mitered ends together. Use a framing square to ensure that the frame is square.

• 5

  Secure the sill to the corner posts with four screws. Two screws should be applied to each side of the miter seams. Apply the soffit in the same manner as the sill.

• 6

  Affix the frame to the saddle resting on the roof ridge. Using galvanized screws, drill the sill onto rails within the saddle.